Genuine OEM Volkswagen Thermostat Housing Gasket, part number 03C121119E. This gasket is essential for sealing the thermostat housing, preventing coolant leaks and ensuring the engine's cooling system operates efficiently. It is installed within the engine cooling assembly. Made from a high-quality, heat-resistant rubber compound, it weighs approximately 0.0016 kg and measures 0.145 meters in length. Using a genuine OEM gasket guarantees precise fitment and material integrity, crucial for maintaining a reliable, leak-free cooling system under varying engine temperatures and pressures.